Sangamon County, Illinois
Local growing conditions for Sangamon County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 26 ZIP codes in our data.
Hardiness zones in Sangamon County
Sangamon County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Sangamon County for its live forecast, frost dates, and planting calendar:
Buffalo 62515
Dawson 62520
Divernon 62530
Chatham 62536
Illiopolis 62539
Mechanicsburg 62545
Pawnee 62558
Spaulding 62561
Rochester 62563
Auburn 62615
Cantrall 62625
Chatham 62629
Loami 62661
Berlin 62670
Pleasant Plains 62677
Sherman 62684
Thayer 62689
Williamsville 62693
Springfield 62701
Springfield 62702
Springfield 62703
Leland Grove 62704
Springfield 62706
Springfield 62707
More for Illinois
- Agriculture in Illinois
- Frost dates across Illinois
- USDA hardiness zones explained
- Planting calendar by ZIP code
County growing conditions are compiled from our ZIP-code database, USDA hardiness-zone data, and NOAA climate normals. Conditions vary within a county by elevation and local microclimate. Page updated Aug 4, 2026.